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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /drivers/gpu/drm/drm_cache.c
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/gpu/drm/drm_cache.c')
-rw-r--r--drivers/gpu/drm/drm_cache.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
index 9a62d7a53..6743ff7dc 100644
--- a/drivers/gpu/drm/drm_cache.c
+++ b/drivers/gpu/drm/drm_cache.c
@@ -130,11 +130,12 @@ drm_clflush_virt_range(void *addr, unsigned long length)
{
#if defined(CONFIG_X86)
if (cpu_has_clflush) {
+ const int size = boot_cpu_data.x86_clflush_size;
void *end = addr + length;
+ addr = (void *)(((unsigned long)addr) & -size);
mb();
- for (; addr < end; addr += boot_cpu_data.x86_clflush_size)
+ for (; addr < end; addr += size)
clflushopt(addr);
- clflushopt(end - 1);
mb();
return;
}